1*6bf2e5c8Srsc #include "types.h" 2*6bf2e5c8Srsc #include "stat.h" 3*6bf2e5c8Srsc #include "user.h" 4*6bf2e5c8Srsc 5*6bf2e5c8Srsc int main(int argc,char * argv[])6*6bf2e5c8Srscmain(int argc, char *argv[]) 7*6bf2e5c8Srsc { 8*6bf2e5c8Srsc if(argc != 3){ 9*6bf2e5c8Srsc printf(2, "Usage: ln old new\n"); 10*6bf2e5c8Srsc exit(); 11*6bf2e5c8Srsc } 12*6bf2e5c8Srsc if(link(argv[1], argv[2]) < 0) 13*6bf2e5c8Srsc printf(2, "link %s %s: failed\n", argv[1], argv[2]); 14*6bf2e5c8Srsc exit(); 15*6bf2e5c8Srsc } 16